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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the calculate function do?
💡 Hint: Think about what operations the function performs on the inputs.
Question 2
Easy
Which HTML element is used to display the output?
💡 Hint: Recall the HTML code structure we discussed.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What type of element is n1 in the HTML?
- Text
- Number
- Button
💡 Hint: Review the input types in HTML.
Question 2
True or False: The calculate function uses document.getElementById to access user input.
- True
- False
💡 Hint: Consider how we access elements in the DOM.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Modify the existing calculator to handle multiple operations by allowing the user to choose an operation type (add, subtract, multiply, divide). How would you implement this?
💡 Hint: Think about how you can present multiple choices to the user and respond correctly.
Question 2
Suppose a user enters text instead of a number. How could you ensure the program gracefully handles this input error?
💡 Hint: Consider using `isNaN` function or an if statement to validate inputs properly.
Challenge and get performance evaluation